API Spec 5CT Specification for Casing and Tubing*, 2018-01-01 Update
GB/T 15970.6 Corrosion of metals and alloys.Stress corrosion testing.Part 6: Preparation and use of pre-cracked specimens for tests under constant load or constant displacement
GB/T 17745 Petroleum and natural gas industries.Care and use of casing and tubing*, 2011-07-20 Update
GB/T 19001 Quality Management System Requirements*, 2017-07-01 Update
GB/T 20657 Petroleum and natural gas industries—Formulae and calculations for the properties of casing, tubing, drill pipe and line pipe used as casing or tubing*, 2022-12-30 Update